Last name Carlaw (Carlaw 
) , in all the world, is a rare cognomen. The family name Carlaw is habitual in New Zealand, where it is a rare surname, Australia, and Canada. Not in comparison with a country's population, it is commonest in Australia, the United Kingdom, and Canada.
| VARIANT | COUNTRY |
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| Carlaw | United Kingdom, Canada, Australia, New Zealand, United States |
| james carlaw New Zealand rugby league administrator, NZ (b. 1854) |
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| william carlaw GB (b. 1847) |
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| john carlaw (b. 1850) |
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| walter m. carlaw British flying ace, GB (b. 1899) |
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dane carlaw Australian rugby league footballer, AU (b. 1980) |
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| john carlaw Australian rugby league footballer, NZ (b. 1975) |
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| mary carlaw (died 1846) |
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| arthur carlaw Peerage person ID=190145 |
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| arthur carlaw New Zealand rugby league footballer, NZ |
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